.fa {
  font-size: 24px;
}
.todoarea {
  background-color: #f5f5f5;
}
.todoarea .wrapper {
  /* display: flex; */
  position: relative;
  /* background-color: pink; */
  overflow: hidden;
}

ul#todoList {
  list-style: none;
  padding: 0;
}

ul#todoList li {
  margin-bottom: 10px;
  padding: 10px;
  background-color: #fff6c28e;
  border-radius: 5px;
  cursor: pointer;
}

.completed {
  color: gray;
  text-decoration: line-through;
}

.carousel {
  position: relative;
  width: 700px; /* 轮播图宽度 */
  height: 700px; /* 轮播图高度 */
  overflow: hidden;
  margin-top: 20px;
}

.carousel img {
  width: 100%;
  height: auto;
  position: absolute;
  opacity: 0;
  transition: opacity 1s ease-in-out;
}

.carousel img.active {
  opacity: 1;
}

/* banner区域 */
.banner {
  height: 500px;
  background-color: #f5f5f5;
}
.banner .wrapper {
  /* display: flex; */
  position: relative;
  height: 500px;
  background-color: pink;
  overflow: hidden;
}
.banner .wrapper .pic {
  display: flex;
  height: 100%;
  width: 300%;
}
/* 侧导航 */
.banner .wrapper .subnav {
  /* 悬浮在banner区域上 */
  position: absolute;
  left: 0;
  top: 0;
  width: 250px;
  height: 500px;
  background-color: rgba(0, 0, 0, 0.42);
  display: flex;
}
.banner .wrapper .subnav ul {
  flex: 1;
  display: flex;
  flex-direction: column;
}
.banner .wrapper .subnav ul li {
  flex: 1;
}
.banner .wrapper .subnav ul li a {
  width: 100%;
  height: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: #fff;
}
.banner .wrapper .subnav ul li a:hover {
  background-color: #13e0006c;
}

.subnav ul li a div span {
  margin-left: 5px;
  font-size: 14px;
}
.subnav ul li a div span:nth-child(1) {
  margin-left: 0px;
  margin-right: 10px;
  font-size: 16px;
}
.subnav ul li a div {
  margin-left: 30px;
}
.subnav ul li a > span {
  margin-right: 10px;
}
/* 轮播图右下的小圆点 */
.banner .wrapper .select {
  position: absolute;
  right: 16px;
  bottom: 17px;
  display: flex;
}
.banner .wrapper .select li {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  margin-left: 8px;
  /* 让其中的圆点居中 */
  display: flex;
  justify-content: center;
  align-items: center;
}
.banner .wrapper .select li i {
  display: block;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background-color: rgba(255, 255, 255, 0.5);
  pointer-events: none;
}
.banner .wrapper .select .selected {
  background-color: rgba(255, 255, 255, 0.5);
}
.banner .wrapper .select .selected i {
  background-color: rgb(255, 255, 255);
}
.col {
  height: 3em;
  background-color: rgb(105, 197, 240);
  display: flex;
  border-radius: 1.5em;
  padding-left: 1.5em;
  padding-right: 0.5em;
  box-sizing: border-box;
  border: 1px solid rgb(104, 104, 104);
}
.col .input-lg {
  flex: 1;
  background-color: rgb(105, 197, 240);
  font-size: 1em;
}
.col #search-form {
  width: 100%;
  height: 100%;
  display: flex;
}
.col .addclick {
  display: block;
  height: 100%;
  width: 2em;
  color: #fff;
  cursor: pointer;
  position: relative;
}
.col .addclick div {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
}
.col .addclick div i {
  color: black;
}
